Gemstone



FIG. 1 is a front view of a gemstone showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top, front, right perspective view thereof;

FIG. 5 is a front, right side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a rear, left side view thereof.

The broken lines are for environmental purposes only and form no part ofthe claimed design. The region within the broken lines shown in FIG. 1and FIGS. 4-7 is unclaimed.

CLAIM The ornamental design for a gemstone, as shown and described.